html, body {
    height: 100%;
    width: 100%;
    overflow: hidden;
}
.font-big1 {
    font-size: large;
}
.back-dark{
    background-color: gainsboro;
}
.image-parent {
    width: 80px;
}

.text-center {
    text-align: center;
}

.ta-title {
    line-height: 50px;
    padding: 10px;
    background-color: #01AAED;
}

.frame {
    width: 100%;
    padding: 10px;
    border: 0;
    marginwidth: 0;
    marginheight: 0;
    scrolling:no;
    frameborder: 0;
    overflow-x: hidden;
    overflow-y: auto;
}

.forward25 {
    text-indent:25px;
}
.layui-nav {
    /*background-color: #007DDB;*/
}